(19)

(11)

EP 1 478 712 A1

(12)

(43) Date of publication: 24.11.2004 Bulletin 2004/48 (21) Application number: 03702854.5 (22) Date of filing: 13.02.2003

(51) International Patent Classification (IPC)7: C09K 3/14 (86) International application number: PCT/IB2003/000465 (87) International publication number: WO 2003/070852 (28.08.2003 Gazette 2003/35)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR Designated Extension States: AL LT LV MK RO (30) Priority: 20.02.2002 ZA 200201428 (71) Applicant: Element Six (PTY) Ltd 1559 Springs (ZA)	(72) Inventor: PIPKIN, Noel, John 2153 Johannesburg North (ZA) (74) Representative: Senior, Alan Murray  J.A. KEMP & CO.,14 South Square,Gray's Inn London WC1R 5JJ London WC1R 5JJ (GB)